Table of Contents
Charging of Insulators
Since charge cannot flow through insulators, neither conduction nor induction can be used to charge, insulators, so in order to charge an insulator friction is used. Whenever an insulator is rubbed against a body exchange of electrons takes place between the two. This results in appearance of equal and opposite charges on the insulator and the other body. Thus the insulator is charged.
For example rubbing of plastic with fur, silk with glass causes charging of these things.
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Charging of Insulators
Last modified on:4 years agoReading Time:2Minutes Charging of Insulators Since charge cannot flow through insulators, neither conduction nor induction can be used to charge, insulators, so in order to charge an insulator friction is used. Whenever an insulator is rubbed against a body exchange of electrons takes place between the two. This results in appearance of…
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Charging by Contact
Last modified on:4 years agoReading Time:2Minutes Charging by Contact When a negatively charged ebonite rod is rubbed on a metal object, such as a sphere, some of the excess electrons from the rod are transferred to the sphere. Once the electrons are on the metal sphere, where they can move readily, they repel one another and…
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Charging by Rubbing
Last modified on:4 years agoReading Time:3Minutes Charging by Rubbing The simplest way to charge certain bodies is to rub them against each other. When a glass rod is rubbed with a silk cloth, the glass rod acquires some positive charge and the silk cloth acquires negative charge by the same amount. The explanation of appearance of…
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CBSE Class 12 Chemistry Revision Notes Chapter-2 Solutions
Last modified on:5 years agoReading Time:14MinutesSolution : A perfectly homogeneous mixture of two or more components is called solution. Solute : The component which is present in lesser amount or whose physical state is changed during the formation of solution is called solute. Solvent : The component which is present in larger amount and determines the…
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CBSE Class 12 Physics Revision Notes Chapter-11 Dual Nature of Matter and Radiation
Last modified on:5 years agoReading Time:12MinutesElectron emission: The phenomenon of emission of electrons from the surface of a metal. The minimum energy needed by an electron to come out from a metal surface is known as “work function” of the metal. It is denoted by Φ0 or W0 and measured in electron volt (eV). Work function…
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NEET Physics Class 12 Questions Chapter-1 Electric Charges and Fields
Last modified on:5 years agoReading Time:6MinutesQ.1. If a body has positive charge on it, then it means it has(1) Gained some protons (2) Lost some protons(3) Gained some electrons (4) Lost some electrons Sol. Answer (4)Due to lack of electron body get positive charge. Q.2. Sure check for presence of electric charge is(1) Process of induction…
